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Finding the Fourth Proportional to 895.67, 1,235.73 and 502.62

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Solution

The fourth proportional to 895.67, 1,235.73 and 502.62 is: 693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.67 : 1,235.73 = 502.62 : x
  2. Step 2: Convert to fraction form
    895.67/1,235.73 = 502.62/x
  3. Step 3: Cross multiply
    895.67x = 1,235.73 × 502.62
  4. Step 4: Simplify right side
    895.67x = 621,102.61
  5. Step 5: Solve for x
    x = 621,102.61/895.67
  6. Step 6: Final answer
    x = 693.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.